class PathManager(object):
"""
Handles operations concerning Paths
"""
def __init__(self):
self.rd_baker = ResourceDataBaker()
self.PostMan = PostMan()
def channel_get_on_path(self, req_path, terms):
"""
Channel get on path request to the manager responsible
Args:
@param req_path: Address to which this post request was sent
@param terms: Data provided for filtering
"""
locations = list()
#Step[1]: get the necessary data from DB
occi_loc = self.rd_baker.bake_to_get_on_path()
if terms is "":
#Step[2a]: Get on path without filtering
if occi_loc is None:
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
else:
for str_loc in occi_loc:
if str_loc.find(req_path) is not -1:
locations.append(str_loc)
logger.debug("===== Channel_get_on_Path: Finished with success ===== ")
return locations, return_code['OK']
else:
#Step[2b]: Get on path with filtering
for str_loc in occi_loc:
if str_loc.endswith("/") is False and str_loc.find(req_path) is not -1:
locations.append(str_loc)
descriptions = self.rd_baker.bake_to_get_on_path_filtered(locations)
if descriptions is None:
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
else:
if terms.has_key('resources'):
result_res, resp_code_r = get_filtered(terms['resources'], descriptions)
else:
result_res = list()
resp_code_r = return_code['OK']
if terms.has_key('links'):
result_link, resp_code_l = get_filtered(terms['links'], descriptions)
else:
result_link = list()
resp_code_l = return_code['OK']
if resp_code_l is not return_code['OK'] or resp_code_r is not return_code['OK']:
return "An error has occurred, please check logs for more details", return_code[
'Internal Server Error']
result = result_res + result_link
logger.debug("===== Channel_get_on_Path: Finished with success ===== ")
return result, return_code['OK']
def channel_delete_on_path(self, req_path):
"""
Channel the delete resources request to the path manager
Args:
@param req_path: Address to which this post request was sent
"""
occi_loc,doc_loc = self.rd_baker.bake_to_delete_on_path()
if occi_loc is None or doc_loc is None:
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
else:
to_delete = list()
for i in range(len(occi_loc)):
str_loc = str(occi_loc[i])
if str_loc.find(req_path) is not -1:
to_delete.append(doc_loc[i])
self.PostMan.delete_entities_in_db(to_delete)
logger.debug("===== Channel Delete on Path: Finished with success =====")
return "", return_code['OK']
class PathManager(object):
"""
dispachers operations on Path
"""
def __init__(self):
self.rd_baker = ResourceDataBaker()
self.PostMan = PostMan()
def channel_get_on_path(self, req_path, terms):
"""
Channel the get request to the right method
Args:
@param req_path: Address to which this post request was sent
@param terms: Data provided for filtering
"""
locations = list()
query = self.rd_baker.bake_to_get_on_path()
if terms is "":
if query is None:
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
else:
for q in query:
str_loc = str(q['key'])
if str_loc.endswith("/"):
str_loc = joker.format_url_path(str_loc)
if str_loc.find(req_path) is not -1:
locations.append(str_loc)
logger.debug("===== Channel_get_on_Path: Finished with success ===== ")
return locations, return_code['OK']
else:
for q in query:
str_loc = str(q['key'])
if str_loc.endswith("/") is False and str_loc.find(req_path) is not -1:
locations.append(str_loc)
descriptions = self.rd_baker.bake_to_get_on_path_filtered(locations)
if descriptions is None:
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
else:
if terms.has_key('resources'):
result_res, resp_code_r = get_filtered(terms['resources'], descriptions)
else:
result_res = list()
resp_code_r = return_code['OK']
if terms.has_key('links'):
result_link, resp_code_l = get_filtered(terms['links'], descriptions)
else:
result_link = list()
resp_code_l = return_code['OK']
if resp_code_l is not return_code['OK'] or resp_code_r is not return_code['OK']:
return "An error has occurred, please check logs for more details", return_code[
'Internal Server Error']
result = result_res + result_link
logger.debug("===== Channel_get_on_Path: Finished with success ===== ")
return result, return_code['OK']
def channel_delete_on_path(self, req_path, user_id):
"""
Channel the get request to the right method
Args:
@param user_id: ID of the issuer of the post request
@param req_path: Address to which this post request was sent
"""
database = config.prepare_PyOCNI_db()
locations = list()
try:
query = database.view('/db_views/for_delete_entities', key=user_id)
except Exception as e:
logger.error("Delete on Path: " + e.message)
return "An error has occurred, please check log for more details", return_code['Internal Server Error']
for q in query:
str_loc = str(q['value'][0])
if str_loc.find(req_path) is not -1:
locations.append({'_id': q['value'][1], '_rev': q['value'][2]})
logger.debug("Delete on Path: done with success")
database.delete_docs(locations)
return "", return_code['OK']
